Home / 40,786.80-56,296.79-26,639.34

Finding the Fourth Proportional to 40,786.80, 56,296.79 and 26,639.34

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Solution

The fourth proportional to 40,786.80, 56,296.79 and 26,639.34 is: 36,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.80 : 56,296.79 = 26,639.34 : x
  2. Step 2: Convert to fraction form
    40,786.80/56,296.79 = 26,639.34/x
  3. Step 3: Cross multiply
    40,786.80x = 56,296.79 × 26,639.34
  4. Step 4: Simplify right side
    40,786.80x = 1,499,709,329.72
  5. Step 5: Solve for x
    x = 1,499,709,329.72/40,786.80
  6. Step 6: Final answer
    x = 36,769.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.